Ghostery browser plugin: a tracker and cookie detector and blocker, with listing of nearly 2,000 sources of such third party elements ('3PEs') https://www.ghostery.com/en/

Note: it asks you to agree to be tracked! "Ghostrank", but you can decline, and it is off by default.
See Data Collected entry under "Privacy information" for data items collected by a particular source, for the distinction "EU PII" next to items potentially considered not PII in the US but "pseudonymous".
Eg, https://www.ghostery.com/en/apps/33across

References:

Boyd D. & Crawford K. (2011) `Six Provocations for Big Data', Proc. Symposium on the Dynamics of the Internet and Society, September 2011, at http://ssrn.com/abstract=1926431

Maurushat A., David Vaile and Stephen Wilson, (2014) "Big Data and Identifiability in Australia, EU and the US", UNSWLJ, forum edition on Big Data, forthcoming, July 2014. [See also UNSW LRS on AustLII for preprint. Draft, not for circulation or citation without written permission is [here].]